This commit is contained in:
maliakal_d 2021-11-05 17:01:45 +01:00
parent e15028e94c
commit 6462a7162e
6 changed files with 115 additions and 63 deletions

View File

@ -97,8 +97,14 @@ void basictests() {
return;
#else
defineGPIOpins();
resetFPGA();
initError = defineGPIOpins(initErrorMessage);
if (initError == FAIL) {
return;
}
initError = resetFPGA(initErrorMessage);
if (initError == FAIL) {
return;
}
if (mapCSP0() == FAIL) {
strcpy(initErrorMessage,
"Could not map to memory. Dangerous to continue.\n");

View File

@ -74,8 +74,14 @@ void basictests() {
}
return;
#else
defineGPIOpins();
resetFPGA();
initError = defineGPIOpins(initErrorMessage);
if (initError == FAIL) {
return;
}
initError = resetFPGA(initErrorMessage);
if (initError == FAIL) {
return;
}
if (mapCSP0() == FAIL) {
strcpy(initErrorMessage,
"Could not map to memory. Dangerous to continue.\n");

View File

@ -94,8 +94,14 @@ void basictests() {
return;
#else
defineGPIOpins();
resetFPGA();
initError = defineGPIOpins(initErrorMessage);
if (initError == FAIL) {
return;
}
initError = resetFPGA(initErrorMessage);
if (initError == FAIL) {
return;
}
if (mapCSP0() == FAIL) {
strcpy(initErrorMessage,
"Could not map to memory. Dangerous to continue.\n");

View File

@ -6,13 +6,14 @@
#include <stdio.h>
#include <sys/types.h>
#define TEMP_PROG_FOLDER_NAME "/var/tmp/"
#define TEMP_PROG_FILE_NAME TEMP_PROG_FOLDER_NAME "tmp.rawbin"
#define TEMP_PROG_FOLDER_NAME "/var/tmp/"
#define TEMP_PROG_FOLDER_NAME_ALL_FILES "/var/tmp/*"
#define TEMP_PROG_FILE_NAME TEMP_PROG_FOLDER_NAME "tmp.rawbin"
void defineGPIOpins();
int FPGAdontTouchFlash();
int FPGATouchFlash();
int resetFPGA();
int defineGPIOpins(char *mess);
int FPGAdontTouchFlash(char *mess);
int FPGATouchFlash(char *mess);
int resetFPGA(char *mess);
int emptyTempFolder(char *mess);
/**

View File

@ -14,19 +14,23 @@
// clang-format off
#define MAX_TIME_FPGA_TOUCH_FLASH_US (10 * 1000 * 1000) // 10s
#define CMD_GPIO7_DEFINE "echo 7 > /sys/class/gpio/export"
#define CMD_GPIO9_DEFINE "echo 9 > /sys/class/gpio/export"
#define CMD_GPIO3_DEFINE "echo 3 > /sys/class/gpio/export"
#define CMD_GPIO9_DEFINE_OUT "echo out > /sys/class/gpio/gpio9/direction"
#define CMD_GPIO3_DEFINE_OUT "echo out > /sys/class/gpio/gpio3/direction"
#define CMD_GPIO7_DEFINE_IN "echo in > /sys/class/gpio/gpio7/direction"
#define CMD_GPIO9_DEFINE_IN "echo in > /sys/class/gpio/gpio9/direction"
#define CMD_GPIO3_DEFINE_IN "echo in > /sys/class/gpio/gpio3/direction"
#define CMD_GPIO9_DONT_TOUCH_FLASH "echo 0 > /sys/class/gpio/gpio9/value"
#define CMD_GPIO3_DONT_TOUCH_FLASH "echo 0 > /sys/class/gpio/gpio3/value"
#define CMD_FPGA_PICKED_STATUS "cat /sys/class/gpio/gpio7/value"
#define CMD_GET_FPGA_FLASH_DRIVE "awk \'$4== \"\\\"bitfile(spi)\\\"\" {print $1}\' /proc/mtd"
#define CMD_GET_KERNEL_FLASH_DRIVE "awk \'$4== \"\\\"linux kernel(nor)\\\"\" {print $1}\' /proc/mtd"
#define CMD_FPGA_PICKED_STATUS "cat /sys/class/gpio/gpio7/value"
#define FLASH_BUFFER_MEMORY_SIZE (128 * 1024) // 500 KB
// clang-format on
@ -40,82 +44,106 @@ extern int executeCommand(char *command, char *result, enum TLogLevel level);
int latestKernelVerified = -1;
#define KERNEL_DATE_VRSN_3GPIO "Fri Oct 29 00:00:00 2021"
void defineGPIOpins() {
int defineGPIOpins(char *mess) {
#ifdef VIRTUAL
return;
return OK;
#endif
// only latest kernel can use gpio3 pins
if (latestKernelVerified == -1) {
if (FAIL == validateKernelVersion(KERNEL_DATE_VRSN_3GPIO)) {
latestKernelVerified = 0;
LOG(logWARNING,
("Kernel too old to use gpio 3 pins. Not the end "
"of the world. Continuing with current kernel.\n"));
("Kernel too old to use gpio 3 pins. Update kernel to "
"guarantee error-free fpga programming. \n\tNot the end "
"of the world. Continuing with current kernel...\n"));
} else {
latestKernelVerified = 1;
}
}
if (!gpioDefined) {
// define the gpio pins
system("echo 7 > /sys/class/gpio/export");
LOG(logINFO, ("\tgpio7: defined\n"));
system("echo in > /sys/class/gpio/gpio7/direction");
LOG(logINFO, ("\tgpio7: setting intput\n"));
system("echo 9 > /sys/class/gpio/export");
LOG(logINFO, ("\tgpio9: defined\n"));
if (latestKernelVerified == 1) {
// gpio 3 = not chip enable
system("echo 3 > /sys/class/gpio/export");
LOG(logINFO, ("\tgpio3: defined\n"));
}
gpioDefined = 1;
} else
if (gpioDefined) {
LOG(logDEBUG1, ("gpio pins already defined earlier\n"));
return OK;
}
char retvals[MAX_STR_LENGTH] = {0};
// define gpio7
if (executeCommand(CMD_GPIO7_DEFINE, retvals, logDEBUG1) == FAIL) {
snprintf(mess, MAX_STR_LENGTH,
"Could not define gpio7 pins for fpga (%s)\n", retvals);
return FAIL;
}
LOG(logINFO, ("\tgpio7: defined\n"));
// define gpio7 direction
if (executeCommand(CMD_GPIO7_DEFINE_IN, retvals, logDEBUG1) == FAIL) {
snprintf(mess, MAX_STR_LENGTH,
"Could not set gpio7 as input for fpga (%s)\n", retvals);
return FAIL;
}
LOG(logINFO, ("\tgpio7: setting intput\n"));
// define gpio9
if (executeCommand(CMD_GPIO9_DEFINE, retvals, logDEBUG1) == FAIL) {
snprintf(mess, MAX_STR_LENGTH,
"Could not define gpio9 pins for fpga (%s)\n", retvals);
return FAIL;
}
LOG(logINFO, ("\tgpio9: defined\n"));
// define gpio3 (not chip enable)
if (latestKernelVerified == 1) {
if (executeCommand(CMD_GPIO3_DEFINE, retvals, logDEBUG1) == FAIL) {
snprintf(mess, MAX_STR_LENGTH,
"Could not define gpio3 pins for fpga (%s)\n", retvals);
return FAIL;
}
LOG(logINFO, ("\tgpio3: defined\n"));
}
gpioDefined = 1;
return OK;
}
int FPGAdontTouchFlash(char *mess) {
#ifdef VIRTUAL
return;
return OK;
#endif
// define as output pins
// define gpio9 as output
if (executeCommand(CMD_GPIO9_DEFINE_OUT, retvals, logDEBUG1) == FAIL) {
snprintf(mess, MAX_STR_LENGTH,
"Could not program fpga. (could not set gpio9 as output)\n");
// LOG(logERROR, (mess)); already printed in executecommand
"Could not set gpio9 as output for fpga (%s)\n", retvals);
return FAIL;
}
LOG(logINFO, ("\tgpio9: setting output\n"));
// define gpio3 as output
if (latestKernelVerified == 1) {
// gpio 3 = not chip enable
if (executeCommand(CMD_GPIO3_DEFINE_OUT, retvals, logDEBUG1) == FAIL) {
snprintf(
mess, MAX_STR_LENGTH,
"Could not program fpga. (could not set gpio3 as output)\n");
// LOG(logERROR, (mess)); already printed in executecommand
snprintf(mess, MAX_STR_LENGTH,
"Could not set gpio3 as output for fpga (%s)\n", retvals);
return FAIL;
}
LOG(logINFO, ("\tgpio3: setting output\n"));
}
// tell FPGA to not touch
// tell FPGA to not: gpio9
if (executeCommand(CMD_GPIO9_DONT_TOUCH_FLASH, retvals, logDEBUG1) ==
FAIL) {
snprintf(mess, MAX_STR_LENGTH,
"Could not program fpga. (could not set gpio9 to not touch "
"flash)\n");
// LOG(logERROR, (mess)); already printed in executecommand
"Could not set gpio9 to not touch flash for fpga (%s)\n",
retvals);
return FAIL;
}
LOG(logINFO, ("\tgpio9: fpga dont touch flash\n"));
// tell FPGA to not: gpio3
if (latestKernelVerified == 1) {
if (executeCommand(CMD_GPIO3_DONT_TOUCH_FLASH, retvals, logDEBUG1) ==
FAIL) {
snprintf(mess, MAX_STR_LENGTH,
"Could not program fpga. (could not set gpio3 to not "
"touch flash)\n");
// LOG(logERROR, (mess)); already printed in executecommand
"Could not set gpio3 to not touch flash for fpga (%s)\n",
retvals);
return FAIL;
}
LOG(logINFO, ("\tgpio3: fpga dont touch flash\n"));
@ -125,23 +153,20 @@ int FPGAdontTouchFlash(char *mess) {
int FPGATouchFlash(char *mess) {
#ifdef VIRTUAL
return;
return OK;
#endif
// tell FPGA to touch flash to program itself
if (executeCommand(CMD_GPIO9_DEFINE_IN, retvals, logDEBUG1) == FAIL) {
snprintf(mess, MAX_STR_LENGTH,
"Could not program fpga. (could not set gpio9 as input)\n");
// LOG(logERROR, (mess)); already printed in executecommand
"Could not set gpio9 as input for fpga (%s)\n", retvals);
return FAIL;
}
LOG(logINFO, ("\tgpio9: setting input\n"));
if (latestKernelVerified == 1) {
if (executeCommand(CMD_GPIO3_DEFINE_IN, retvals, logDEBUG1) == FAIL) {
snprintf(
mess, MAX_STR_LENGTH,
"Could not program fpga. (could not set gpio3 as input)\n");
// LOG(logERROR, (mess)); already printed in executecommand
snprintf(mess, MAX_STR_LENGTH,
"Could not set gpio3 as input for fpga (%s)\n", retvals);
return FAIL;
}
LOG(logINFO, ("\tgpio3: setting input\n"));
@ -151,7 +176,7 @@ int FPGATouchFlash(char *mess) {
int resetFPGA(char *mess) {
LOG(logINFOBLUE, ("Reseting FPGA\n"));
#ifdef VIRTUAL
return;
return OK;
#endif
if (FPGAdontTouchFlash(mess) == FAIL) {
return FAIL;
@ -166,9 +191,9 @@ int emptyTempFolder(char *mess) {
char cmd[MAX_STR_LENGTH] = {0};
char retvals[MAX_STR_LENGTH] = {0};
char *format = "rm -fr %s*";
if (snprintf(cmd, MAX_STR_LENGTH, format, TEMP_PROG_FOLDER_NAME) >=
MAX_STR_LENGTH) {
char *format = "rm -fr %s";
if (snprintf(cmd, MAX_STR_LENGTH, format,
TEMP_PROG_FOLDER_NAME_ALL_FILES) >= MAX_STR_LENGTH) {
sprintf(mess,
"Could not update %s. Command to empty %s folder is too long\n",
messageType, TEMP_PROG_FOLDER_NAME);
@ -182,7 +207,7 @@ int emptyTempFolder(char *mess) {
// LOG(logERROR, (mess)); already printed in executecommand
return FAIL;
}
LOG(logINFO, ("\tDeleted temp folder(%s)\n", TEMP_PROG_FOLDER_NAME));
LOG(logINFO, ("\tEmptied temp folder(%s)\n", TEMP_PROG_FOLDER_NAME));
return OK;
}

View File

@ -3825,9 +3825,17 @@ int reset_fpga(int file_des) {
if (Server_VerifyLock() == OK) {
if (isControlServer) {
basictests(); // mapping of control server at least
initControlServer();
} else
if (initError == OK) {
initControlServer();
}
} else {
initStopServer(); // remapping of stop server
}
if (initError == FAIL) {
ret = FAIL;
strcpy(mess, initErrorMessage);
// LOG(ERROR (mess));already printed
}
}
#endif
return Server_SendResult(file_des, INT32, NULL, 0);